NUMERICAL ANALYSIS OF THE PROPELLER PERFORMANCE CLOSE TO WATER SURFACE

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VALI ABBAS; SARANJAM BAHADOR; KAMALI REZA; RABIEE ATAOLLAH

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:1 Page(s): 291-299

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Title

NUMERICAL ANALYSIS OF THE PROPELLER PERFORMANCE CLOSE TO WATER SURFACE

Author(s)

VALI ABBAS | SARANJAM BAHADOR | KAMALI REZA | RABIEE ATAOLLAH | Issue Writer Certificate

Keywords

PROPELLERQ1

THRUSTQ1

VENTILATIONQ2

VOLUME OF FLUID METHODQ2

PROPELLER PERFORMANCEQ1

Abstract

Simulation of the flow around PROPELLER is a complex fluid flow problem, especially when the PROPELLER is close to free surface. In this study, the effect of immersion depth, advance velocity and the VENTILATION phenomenon on the performance of a B-Wageningen series PROPELLER close to surface of water have been numerically investigated. For this purpose the ANSYS-FLUENT commercial software has been used to solve the viscous, incompressible and two phase flow field. The rotation of the PROPELLER has been implemented using the rotating reference frame model for steady flow and the sliding mesh for unsteady flow. For turbulent flow modeling and free surface simulation, the k- SST model and the VOLUME OF FLUID METHOD have been used, respectively. For validation of numerical results due to lack of access to experimental results of PROPELLER close to surface, numerical solution in open water condition has been performed and performance coefficients have been calculated. Comparing the numerical results with the experiment ones shows good agreement and confirms the results of numerical simulation. Results of the numerical solution show that the submergence ratio and VENTILATION phenomenon affect the performance of PROPELLER so that by reducing submergence ratio from 2.2 to 1.4 in advance ratio J=0.4, ratio of THRUST and torsional moment coefficients to open water performance coefficients reduced to 7.7% and 6%, respectively.

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APA: Copy

VALI, ABBAS, SARANJAM, BAHADOR, KAMALI, REZA, & RABIEE, ATAOLLAH. (2016). NUMERICAL ANALYSIS OF THE PROPELLER PERFORMANCE CLOSE TO WATER SURFACE. MODARES MECHANICAL ENGINEERING, 16(1), 291-299. SID. https://sid.ir/paper/178461/en

Vancouver: Copy

VALI ABBAS, SARANJAM BAHADOR, KAMALI REZA, RABIEE ATAOLLAH. NUMERICAL ANALYSIS OF THE PROPELLER PERFORMANCE CLOSE TO WATER SURFACE. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(1):291-299. Available from: https://sid.ir/paper/178461/en

IEEE: Copy

ABBAS VALI, BAHADOR SARANJAM, REZA KAMALI, and ATAOLLAH RABIEE, “NUMERICAL ANALYSIS OF THE PROPELLER PERFORMANCE CLOSE TO WATER SURFACE,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 1, pp. 291–299, 2016, [Online]. Available: https://sid.ir/paper/178461/en

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